Forum bug in IE9?

Not sure how many other people here use IE9, but I've noticed lately that on this forum the back button stops working. When I look at my history it looks like I load a page and then the page reloads itself like 40 times. If I hit the back button enough times it will eventually go back.

Anybody else get this? It doesn't happen on every page, I'm wondering if it's not an ad that's doing it. I've had this happen on other phone related forums too so I know it isn't just this one.